Knot ring



FIG. 1 is a front perspective of a knot ring illustrating the new design;

FIG. 2 is a top view of the knot ring illustrated in FIG. 1;

FIG. 3 is a bottom perspective view of the knot ring illustrated in FIG. 1;

FIG. 4 is a left front perspective view of the knot ring illustrated in FIG. 1;

FIG. 5 is a front elevational view of the knot ring shown in FIG. 1 (the rear elevational view is a mirror image of FIG. 5);

FIG. 6 is right perspective view of the knot ring illustrated in FIG. 1; and,

FIG. 7 is a left rear perspective view of the knot ring illustrated in FIG. 1. 

The ornamental design for a knot ring, as shown and described. 